section.php
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<?php
/**
* @package Joomla.Administrator
* @subpackage com_fields
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
JFormHelper::loadFieldClass('list');
/**
* Fields Section
*
* @since 3.7.0
*/
class JFormFieldSection extends JFormFieldList
{
public $type = 'Section';
/**
* Method to attach a JForm object to the field.
*
* @param SimpleXMLElement $element The SimpleXMLElement object representing the `<field>` tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string $group The field name group control value. This acts as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
*
* @return boolean True on success.
*
* @since 3.7.0
*/
public function setup(SimpleXMLElement $element, $value, $group = null)
{
$return = parent::setup($element, $value, $group);
// Onchange must always be the change context function
$this->onchange = 'fieldsChangeContext(jQuery(this).val());';
return $return;
}
/**
* Method to get the field input markup for a generic list.
* Use the multiple attribute to enable multiselect.
*
* @return string The field input markup.
*
* @since 3.7.0
*/
protected function getInput()
{
// Add the change context function to the document
JFactory::getDocument()->addScriptDeclaration(
"function fieldsChangeContext(context)
{
var regex = new RegExp(\"([?;&])context[^&;]*[;&]?\");
var url = window.location.href;
var query = url.replace(regex, \"$1\").replace(/&$/, '');
window.location.href = (query.length > 2 ? query + \"&\" : \"?\") + (context ? \"context=\" + context : '');
}"
);
return parent::getInput();
}
}